25622840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14897}}^1$

素因数の和:14951

約数の個数: 32

約数和(自身を含む): 58996080

約数和(自身を除く): 33373240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14897, 29794, 59588, 74485, 119176, 148970, 297940, 595880, 640571, 1281142, 2562284, 3202855, 5124568, 6405710, 12811420, 25622840]

約数ペア:

[(1, 25622840), (2, 12811420), (4, 6405710), (5, 5124568), (8, 3202855), (10, 2562284), (20, 1281142), (40, 640571), (43, 595880), (86, 297940), (172, 148970), (215, 119176), (344, 74485), (430, 59588), (860, 29794), (1720, 14897)]